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cos(π/n)cos(2π/n)cos(3π/n) ... cos(nπ/n) = ?
Author:
羅驥韡 (Pegasus Roe)
Topic:
Complex Numbers
GeoGebra
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算柱 (兩位數)
小数 的副本
畫出對稱圖形
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
Discover Resources
謝爾賓斯基三角形
荒島尋寶
時鐘小幫手
Copy of 七巧板
線性規劃
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Incircle or Inscribed Circle
Linear Programming or Linear Optimization
Similarity Transformation or Similarity
Combinatorics
Arithmetic